Source:http://linkedlifedata.com/resource/pubmed/id/16018694
| Subject | Predicate | Object | Context |
|---|---|---|---|
| pubmed-article:16018694 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:16018694 | lifeskim:mentions | umls-concept:C1523814 | lld:lifeskim |
| pubmed-article:16018694 | lifeskim:mentions | umls-concept:C2603343 | lld:lifeskim |
| pubmed-article:16018694 | pubmed:issue | 15 | lld:pubmed |
| pubmed-article:16018694 | pubmed:dateCreated | 2005-7-15 | lld:pubmed |
| pubmed-article:16018694 | pubmed:abstractText | The anion binding properties of fluorinated calix[n]pyrroles (n = 4-6) in aprotic solvents (acetonitrile and DMSO) and modified reaction conditions allowing for the synthesis and isolation of the hitherto missing dodecafluorocalix[6]pyrrole from the condensation of 3,4-difluoro-1H-pyrrole and acetone are described. In acetonitrile solution containing 2% water, the association constants for the 1:1 binding interaction between octafluorocalix[4]pyrrole and chloride anion obtained with isothermal titration calorimetry (ITC) and (1)H NMR titration methods were found to match reasonably well. As compared to its nonfluorinated congener, octafluorocalix[4]pyrrole was found to display enhanced binding affinities for several representative anions in pure acetonitrile as judged from ITC analyses. Similar analyses of the fluorinated calix[n]pyrroles revealed an increase in the relative affinity for bromide over chloride with increasing macrocycle size, as manifest in a decrease in the binding ratio K(a(Cl))/K(a(Br)). Anion binding studies in the solid state, involving single-crystal X-ray diffraction analyses of the chloride and acetate anion complexes of octafluorocalix[4]pyrrole and decafluorocalix[5]pyrrole, respectively, confirmed the expected hydrogen bond interactions between the pyrrolic NH protons and the bound anions. | lld:pubmed |
| pubmed-article:16018694 | pubmed:language | eng | lld:pubmed |
| pubmed-article:16018694 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:16018694 | pubmed:status | PubMed-not-MEDLINE | lld:pubmed |
| pubmed-article:16018694 | pubmed:month | Jul | lld:pubmed |
| pubmed-article:16018694 | pubmed:issn | 0022-3263 | lld:pubmed |
| pubmed-article:16018694 | pubmed:author | pubmed-author:LynchVincent... | lld:pubmed |
| pubmed-article:16018694 | pubmed:author | pubmed-author:SesslerJonath... | lld:pubmed |
| pubmed-article:16018694 | pubmed:author | pubmed-author:ChoWon-SeobWS | lld:pubmed |
| pubmed-article:16018694 | pubmed:author | pubmed-author:MarquezManuel... | lld:pubmed |
| pubmed-article:16018694 | pubmed:author | pubmed-author:ShriverJames... | lld:pubmed |
| pubmed-article:16018694 | pubmed:author | pubmed-author:GrossDustin... | lld:pubmed |
| pubmed-article:16018694 | pubmed:issnType | lld:pubmed | |
| pubmed-article:16018694 | pubmed:day | 22 | lld:pubmed |
| pubmed-article:16018694 | pubmed:volume | 70 | lld:pubmed |
| pubmed-article:16018694 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:16018694 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:16018694 | pubmed:pagination | 5982-6 | lld:pubmed |
| pubmed-article:16018694 | pubmed:year | 2005 | lld:pubmed |
| pubmed-article:16018694 | pubmed:articleTitle | Anion binding studies of fluorinated expanded calixpyrroles. | lld:pubmed |
| pubmed-article:16018694 | pubmed:affiliation | Department of Chemistry and Biochemistry, 1 University Station-A5300, The University of Texas at Austin, Austin, TX 78712-0165, USA. sessler@mail.utexas.edu | lld:pubmed |
| pubmed-article:16018694 | pubmed:publicationType | Journal Article | lld:pubmed |
| http://linkedlifedata.com/r... | pubmed:referesTo | pubmed-article:16018694 | lld:pubmed |